Merge pull request #21 from glessard/devel

update CI configuration

Author: glessard

.travis.yml

@@ -12,7 +12,7 @@ matrix:
       dist: trusty
       language: generic
       sudo: required
-      env: SWIFT_VERSION=4.1.2
+      env: SWIFT_VERSION=4.1.3
 
     - os: osx
       osx_image: xcode8.3
@@ -24,6 +24,10 @@ matrix:
 
     - os: osx
       osx_image: xcode9.4
+      env: SWIFT_VERSION=4.1.2
+
+    - os: osx
+      osx_image: xcode10
 
 before_install:
   - sudo /bin/bash Tests/install-clang.sh

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:4.0
+// swift-tools-version:4.2
 
 import PackageDescription